US3869218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support structure
Assignee: ART SHELF PRODUCT CO
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Filing: 1973-05-07
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Granted: 1975-03-04
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Expires: 1993-05-07
Abstract
Abstract A support structure for book cases, tables, display racks and the like, comprises three elements, the first of which has a lug in the interior for engagement with a groove in the second element. Ridges in the interior of the first and third elements engage with projections at the top of the second element.
Inventors
- 👤 Alfred Stoeber
- 👤 Bruno Smialkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:38
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/20; A; A47; A47B; A47B13/00; A47B13/02; A47B13/06; F16B7/04; F16B7/0406; F16B7/0413; Y; Y10; Y10T; Y10T403/00; Y10T403/46; Y10T403/55; Y10T403/559; Y10T403/70; Y10T403/7005; Y10T403/7007
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
206 words
A structure for detachably supporting a panel or the like comprising a first, a second and a third member having a bore therethrough, said first member having a cut-out portion in its wall serving as a receptacle for said panel, said second member being of lesser outer diameter for telescopic mounting within said first member, a heart-shaped lug with an apex in the interior of said first member and recess means in said second member comprising a vertical groove having boss means and an inclined groove contiguous therewith, whereby when said second member is telescopically mounted within said first member and rotated, said lug apex interlocks with indentations of said inclined groove, said first and third member each having the upper portion of lesser outer size than the lower portion, whereby when the three members are assembled, an upstanding column results of uniform external dimensions, said second member having an annular flange with at least two projections at the upper end of said second member and at least two ridges in the interior of each of said first and third member, the ridges on said third member engaging said projections, said ridges extending only in the middle portion of each of said fiRst and third member.
Claim 2
Dependent Claim
206 words
A structure for detachably supporting a panel or the like comprising a first, a second and a third member having a bore therethrough, said first member having a cut-out portion in its wall serving as a receptacle for said panel, said second member being of lesser outer diameter for telescopic mounting within said first member, a heart-shaped lug with an apex in the interior of said first member and recess means in said second member comprising a vertical groove having boss means and an inclined groove contiguous therewith, whereby when said second member is telescopically mounted within said first member and rotated, said lug apex interlocks with indentations of said inclined groove, said first and third member each having the upper portion of lesser outer size than the lower portion, whereby when the three members are assembled, an upstanding column results of uniform external dimensions, said second member having an annular flange with at least two projections at the upper end of said second member and at least two ridges in the interior of each of said first and third member, the ridges on said third member engaging said projections, said ridges extending only in the middle portion of each of said fiRst and third member.
Claim 3
Dependent Claim
22 words
The structure according to claim 1 wherein four ridges are provided in the interior of each of said first and third member.
Claim 4
Dependent Claim
29 words
The structure according to claim 1 wherein said second member is provided at the top thereof with a plurality of projections in spaced relationship throughout the upper edge thereof.
Claim 5
Dependent Claim
73 words
The structure according to claim 1 additionally comprising a fourth member serving as an end top portion, said fourth member comprising a tubular member of outer size the same as the outer larger size of said first and third member, said fourth member being open at the bottom and closed at the top and being provided with ridges in the interior thereof extending from the top to about midway of said fourth member.
Claim 6
Dependent Claim
19 words
The structure according to claim 1 wherein said inclined groove in said second member is a cut out portion.
Claim 7
Dependent Claim
20 words
The structure according to claim 1 wherein the interior of said first and second member is provided with flat portions.
Claim 8
Dependent Claim
20 words
The structure according to claim 1 wherein said first and third member contain a split in the lower part thereof.
Claim 9
Dependent Claim
16 words
The structure according to claim 1 wherein said first and third members have outer cylindrical configuration.
Claim 10
Dependent Claim
16 words
The structure according to claim 1 wherein said first and third members have outer cylindrical configuration.
Claim 11
Dependent Claim
66 words
A table comprising four structures according to claim 1, wherein the panel being placed in the cut-out portion of said four first members is a table top, the cut-out portion is near the top of said four first members whereby the table top is essentially flush with the top of said first members, and said four structures provide the support for the legs of the table.
Claim 12
Dependent Claim
14 words
The structure according to claim 10 wherein said first member has outer cylindrical configuration.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-03 | 1978-09-02 | 1979-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-03 | 1982-09-02 | 1983-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-03 | 1986-09-02 | 1987-03-04 | $7700.00 | Window Closed / Lapsed |